kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 11918 Comm: syz-executor0 Not tainted 4.17.0-rc2+ #19 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_getsockopt+0x8b/0x120 net/smc/af_smc.c:1298 RSP: 0018:ffff88018bb6fcc0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001e98000 RDX: 0000000000000005 RSI: ffffffff873e72c6 RDI: 0000000000000028 RBP: ffff88018bb6fcf0 R08: 0000000020000340 R09: ffffed003b5e46c2 R10: 0000000000000003 R11: 0000000000000000 R12: ffff88018bb6fd40 R13: 0000000000000029 R14: 0000000000000022 R15: 0000000020000240 FS: 00007f6bdb970700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bc24000 CR3: 00000001b31e9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_getsockopt+0x1a5/0x370 net/socket.c:1940 XFS (loop4): correcting sb_features alignment problem __do_sys_getsockopt net/socket.c:1951 [inline] __se_sys_getsockopt net/socket.c:1948 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1948 XFS (loop4): Mounting V4 Filesystem do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 XFS (loop4): totally zeroed log entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455389 RSP: 002b:00007f6bdb96fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 XFS (loop4): Metadata corruption detected at xfs_agf_verify+0x52d/0xa10 fs/xfs/libxfs/xfs_alloc.c:2565, xfs_agf block 0x1 RAX: ffffffffffffffda RBX: 00007f6bdb9706d4 RCX: 0000000000455389 RDX: 0000000000000022 RSI: 0000000000000029 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000020000340 R09: 0000000000000000 R10: 0000000020000240 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000000f9 R14: 00000000006f47f8 R15: 0000000000000000 Code: fa XFS (loop4): Unmount and run xfs_repair 48 c1 ea 03 80 3c 02 XFS (loop4): First 128 bytes of corrupted metadata buffer: 00 0f 85 93 00 00000000f8dce967: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 48 8b 9b 000000004968728c: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 50 04 00 00 48 00000000fd0e34c3: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b8 00 00 00 00 00 00000000a1568e11: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ fc ff df 48 8d 7b 000000009cc368dc: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 28 48 89 fa 48 c1 0000000007ffd555: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ ea 03 <80> 3c 02 000000007cbc63d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 75 62 48 b8 00 000000001285a0c4: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 fc ff df 4c 8b 63 28 49 RIP: smc_getsockopt+0x8b/0x120 net/smc/af_smc.c:1298 RSP: ffff88018bb6fcc0 ---[ end trace 8493a39fb12d4a81 ]--- XFS (loop4): metadata I/O error in "xfs_trans_read_buf_map" at daddr 0x1 len 1 error 117